Portion of a shoe upper



FIG. 1 is a rear view of a portion of a shoe upper showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a side elevational view of one side thereof;

FIG. 4 is a side elevational view of the other side thereof; and,

FIG. 5 is a top plan view thereof.

The uneven broken line showing of the remainder of the shoe is for illustration purposes only and forms no part of the claimed design. 

The ornamental design for a portion of a shoe upper, as shown and described. 